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Increase performance of Style getters / setters.

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This commit is contained in:
Jürg Lehni 2013-04-07 17:36:35 -07:00
parent 218732e320
commit 136c028d29
1 changed files with 9 additions and 13 deletions
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22
src/style/Style.js
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@ -32,14 +32,6 @@ var Style = Base.extend({
}, this);
},
/**
* Returns the children to be used to unify style attributes, if any.
*/
_getChildren: function() {
// Only unify styles on children of Group items, excluding CompoundPath.
return this._item instanceof Group && this._item._children;
},
statics: {
create: function(item) {
var style = Base.create(this);
@ -73,10 +65,13 @@ var Style = Base.extend({
// Simply extend src with these getters and setters, to be
// injected into this class using this.base() further down.
src[set] = function(value) {
var children = this._getChildren();
var children = this._item && this._item._children;
// Clone color objects since they reference their owner
value = isColor ? Color.read(arguments, 0, 0, true) : value;
if (children && children.length > 0) {
// Only unify styles on children of Groups, excluding
// CompoundPaths.
if (children && children.length > 0
&& this._item._type !== 'compound-path') {
for (var i = 0, l = children.length; i < l; i++)
children[i][styleKey][set](value);
} else {
@ -99,11 +94,12 @@ var Style = Base.extend({
}
};
src[get] = function() {
var children = this._getChildren(),
style;
var style,
children = this._item && this._item._children;
// If this item has children, walk through all of them and
// see if they all have the same style.
if (!children || children.length === 0)
if (!children || children.length === 0
|| this._item._type === 'compound-path')
return this['_' + key];
for (var i = 0, l = children.length; i < l; i++) {
var childStyle = children[i][styleKey][get]();